Journal of Spices and Aromatic Crops
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Post-harvest technology of spices: pre-treatments, ouring, cleaning, grading and packing
Full text linkoai:ojs.updatepublishing.com:article/4278The post harvest technology of spices comprises of a whole gamut of operations such as pretreatments, chemical treatments, curing and similar operations, drying, cleaning, sorting, grading and packing. These aspects are briefly covered in this review. Wherever applicable the problems involved and the relative advantages and disadvantages of the various processes are indicated.
 
Etfect of biostimulants on the growth and biomass of secondary nursery seedlings of cardamom
Full text linkA nursery experiment was undertaken at the Indian Cardamom Research Institute, Myladumpara to understand the effectofbios tim ulants on the growth and biomass of secondary nursery cardamom s<ledlings. Five biostimulants at different concentrations were sprayed at 30- day intervals for a period of 120 days. The results indicated that biostimulants such as vipul (a tricontanol- containing commercial product), Ergostim (N-acetyl thiazolidne-4-carboxylic acid & folic acid - containing commercial product), pure folic acid, low levels ofsimazine and 2,4-D significantly increased the growth and dry matter production. The results suggest, that application ofbiostimulants not only reduces the nursery period but also helps in getting vigorous seedlings for better establishment in the field.
 
Cytological studies on diploid and autotetraploid ginger (Zingiber officinale Rosc.)
Full text linkCytology of diploid and induced autotetl'aploid of ginger (Zingiber officinale Rosc.) was studied. The diploid (2n=22) showed one or two associations offour chromosomes at first metaphase. The tetraploid formed a high frequency of quadrivalents at first metaphase. Both showed bridge-fragment configurations at first anaphase. Pol1en fertility was 13% in the diploid and 85% in the tetraploid.
 
In vitro formation of roots and rhizomes from anther explants of ginger (Zingiber officinale Rosc.)
Full text linkAnther explants produced callus and profuse roots when cultured in a modified MS Medium containing 2,4-D, and coconut milk and incubated in darkness.
 
Bark anatomy of four species of Cinnamomum (Lauraceae) from Kerala
Full text linkBark anatomy of four species of Cinnamomum - three cultivated (C. verum, C. cassia, C. camphora) and the most common wild cinnamon (C. malabatrum) arereporLed here. They differ with regard to many characters such as the nature of the scierenchymatous groups in the pericyciic region, nature of the phloem rays, distl;bution of phloem fibres and in the presence of crystalline inclusions. The differences in the bark structure are useful in distinguishing the genuineness of the true cinnamon (C. verum) bark and also in the taxonomy of the genus.
 
Chromosome stability of callus cultures of Crocus sativus
Full text linkTwo year old canus cultures, raised from corm explants of Crocus sativus, showed an unusual chromosome number stability when maintained on MS medium supplemented with 2,4-D (2 mg/l) and kinetin (0.5 mg/l). Such studies may give an insight into the po·ssible origin of somaclonal variants.
 
Micropropagation of betel vine (Piper betle L.)
Full text linkBetel vine (Piper betle L,) cv. Lakkuvalli was successfully micropropagated on Woody Plant Medium (WPM). Different explants from shoot, leaf and root tissues developed multiple shoots and rengenerated into plantlets either directly or through intervening callus phase on WPM supplemented with 3 mgl-1 benzyladenine and 1 mgl-1 kinetin. The excised shoots developed good root system on growth regulator free medium of the same composition. The plantlets were transferred to soil with 80% success.
 
Book Review - Spices and Condiments : J S PRUTHI
Full text linkSpices and condiments are the dried parts of various plants, cultivated for their aromatic, pungent or otherwise desirable substances. These consist of rhizomes, bulbs, bark, flower buds, stigmas, fruits, seeds and leaves. India is the la.rgest producer and consumer of spices in the world.
 
In vitro proliferation of nutmeg aril (mace) by tissue culture
Full text linkMace from Myristica fragrans Routt. is one of the most expensive of spices. Mace tissue could be successfully multiplied on Me Cown's Woody Plant Medium (WPM) supplemented with 0.5 mgl-1 of IBA. The multiplied tissue retained both the colour and flavour components even after 2 months of culture indicating that their biosynthesis is continuing in culture. Gas chromatographic analysis of the mace oil extracted from the cultured tissue was similar to that of original mace in its qualitative profile.